<template>
  <el-dialog
    v-model="dialogVisible"
    :title="titleMap[type - 1]"
    :width="type == 1 ? 680 : 460"
    destroy-on-close
    append-to-body
    @closed="$emit('closed')"
  >
    <template v-if="type == 1">
      <div class="sc-user-select">
        <div class="sc-user-select__left">
          <div class="sc-user-select__search">
            <el-input
              v-model="keyword"
              prefix-icon="el-icon-search"
              placeholder="搜索成员"
            >
              <template #append>
                <el-button icon="el-icon-search" @click="search"></el-button>
              </template>
            </el-input>
          </div>
          <div class="sc-user-select__select">
            <div class="sc-user-select__tree" v-loading="showGrouploading">
              <el-scrollbar>
                <el-tree
                  class="menu"
                  ref="groupTree"
                  :data="group"
                  :node-key="groupProps.key"
                  :props="groupProps"
                  highlight-current
                  :expand-on-click-node="false"
                  :current-node-key="groupId"
                  @node-click="groupClick"
                />
              </el-scrollbar>
            </div>
            <div class="sc-user-select__user" v-loading="showUserloading">
              <div class="sc-user-select__user__list">
                <el-scrollbar ref="userScrollbar">
                  <el-tree
                    class="menu"
                    ref="userTree"
                    :data="user"
                    :node-key="userProps.key"
                    :props="userProps"
                    :default-checked-keys="selectedIds"
                    show-checkbox
                    check-on-click-node
                    @check-change="userClick"
                  ></el-tree>
                </el-scrollbar>
              </div>
              <footer>
                <el-pagination
                  background
                  layout="prev,next"
                  small
                  :total="total"
                  :page-size="pageSize"
                  v-model:currentPage="currentPage"
                  @current-change="paginationChange"
                ></el-pagination>
              </footer>
            </div>
          </div>
        </div>
        <div class="sc-user-select__toicon">
          <el-icon><el-icon-arrow-right /></el-icon>
        </div>
        <div class="sc-user-select__selected">
          <header>已选 ({{ selected.length }})</header>
          <ul>
            <el-scrollbar>
              <li v-for="(item, index) in selected" :key="item.id">
                <span class="name">
                  <el-avatar size="small">
                    {{ item.name.substring(0, 1) }}
                  </el-avatar>
                  <label>{{ item.name }}</label>
                </span>
                <span class="delete">
                  <el-button
                    type="text"
                    icon="el-icon-delete"
                    circle
                    size="small"
                    @click="deleteSelected(index)"
                  ></el-button>
                </span>
              </li>
            </el-scrollbar>
          </ul>
        </div>
      </div>
    </template>

    <template v-if="type == 2">
      <div class="sc-user-select sc-user-select-role">
        <div class="sc-user-select__left">
          <div class="sc-user-select__select">
            <div class="sc-user-select__tree" v-loading="showGrouploading">
              <el-scrollbar>
                <el-tree
                  class="menu"
                  ref="groupTree"
                  :data="role"
                  :node-key="roleProps.key"
                  :props="roleProps"
                  show-checkbox
                  check-strictly
                  check-on-click-node
                  :expand-on-click-node="false"
                  :default-checked-keys="selectedIds"
                  @check-change="roleClick"
                />
              </el-scrollbar>
            </div>
          </div>
        </div>
        <div class="sc-user-select__toicon">
          <el-icon><el-icon-arrow-right /></el-icon>
        </div>
        <div class="sc-user-select__selected">
          <header>已选 ({{ selected.length }})</header>
          <ul>
            <el-scrollbar>
              <li v-for="(item, index) in selected" :key="item.id">
                <span class="name">
                  <label>{{ item.name }}</label>
                </span>
                <span class="delete">
                  <el-button
                    type="text"
                    icon="el-icon-delete"
                    circle
                    size="mini"
                    @click="deleteSelected(index)"
                  ></el-button>
                </span>
              </li>
            </el-scrollbar>
          </ul>
        </div>
      </div>
    </template>

    <template #footer>
      <el-button @click="dialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 认</el-button>
    </template>
  </el-dialog>
</template>

<script>
import config from '@/config/workflow';

export default {
  props: {
    modelValue: { type: Boolean, default: false },
  },
  data() {
    return {
      groupProps: config.group.props,
      userProps: config.user.props,
      roleProps: config.role.props,

      titleMap: ['人员选择', '角色选择'],
      dialogVisible: false,
      showGrouploading: false,
      showUserloading: false,
      keyword: '',
      groupId: '',
      pageSize: config.user.pageSize,
      total: 0,
      currentPage: 1,
      group: [],
      user: [],
      role: [],
      type: 1,
      selected: [],
      value: [],
    };
  },
  computed: {
    selectedIds() {
      return this.selected.map((t) => t.id);
    },
  },
  mounted() {},
  methods: {
    //打开赋值
    open(type, data) {
      this.type = type;
      this.value = data || [];
      this.selected = JSON.parse(JSON.stringify(data || []));
      this.dialogVisible = true;

      if (this.type == 1) {
        this.getGroup();
        this.getUser();
      } else if (this.type == 2) {
        this.getRole();
      }
    },
    //获取组织
    async getGroup() {
      this.showGrouploading = true;
      var res = await config.group.apiObj.get();
      this.showGrouploading = false;
      var allNode = {
        [config.group.props.key]: '',
        [config.group.props.label]: '所有',
      };
      res.data.unshift(allNode);
      this.group = config.group.parseData(res).rows;
    },
    //获取用户
    async getUser() {
      this.showUserloading = true;
      var params = {
        [config.user.request.keyword]: this.keyword || null,
        [config.user.request.groupId]: this.groupId || null,
        [config.user.request.page]: this.currentPage,
        [config.user.request.pageSize]: this.pageSize,
      };
      var res = await config.user.apiObj.get(params);
      this.showUserloading = false;
      this.user = config.user.parseData(res).rows;
      this.total = config.user.parseData(res).total || 0;
      this.$refs.userScrollbar.setScrollTop(0);
    },
    //获取角色
    async getRole() {
      this.showGrouploading = true;
      var res = await config.role.apiObj.get();
      this.showGrouploading = false;
      this.role = config.role.parseData(res).rows;
    },
    //组织点击
    groupClick(data) {
      this.keyword = '';
      this.currentPage = 1;
      this.groupId = data[config.group.props.key];
      this.getUser();
    },
    //用户点击
    userClick(data, checked) {
      if (checked) {
        this.selected.push({
          id: data[config.user.props.key],
          name: data[config.user.props.label],
        });
      } else {
        this.selected = this.selected.filter(
          (item) => item.id != data[config.user.props.key]
        );
      }
    },
    //用户分页点击
    paginationChange() {
      this.getUser();
    },
    //用户搜索
    search() {
      this.groupId = '';
      this.$refs.groupTree.setCurrentKey(this.groupId);
      this.currentPage = 1;
      this.getUser();
    },
    //删除已选
    deleteSelected(index) {
      this.selected.splice(index, 1);
      if (this.type == 1) {
        this.$refs.userTree.setCheckedKeys(this.selectedIds);
      } else if (this.type == 2) {
        this.$refs.groupTree.setCheckedKeys(this.selectedIds);
      }
    },
    //角色点击
    roleClick(data, checked) {
      if (checked) {
        this.selected.push({
          id: data[config.role.props.key],
          name: data[config.role.props.label],
        });
      } else {
        this.selected = this.selected.filter(
          (item) => item.id != data[config.role.props.key]
        );
      }
    },
    //提交保存
    save() {
      this.value.splice(0, this.value.length);
      this.selected.map((item) => {
        this.value.push(item);
      });
      this.dialogVisible = false;
    },
  },
};
</script>

<style scoped>
.sc-user-select {
  display: flex;
}
.sc-user-select__left {
  width: 400px;
}
.sc-user-select__right {
  flex: 1;
}

.sc-user-select__search {
  padding-bottom: 10px;
}

.sc-user-select__select {
  display: flex;
  border: 1px solid var(--el-border-color-light);
  background: var(--el-color-white);
}
.sc-user-select__tree {
  width: 200px;
  height: 300px;
  border-right: 1px solid var(--el-border-color-light);
}
.sc-user-select__user {
  width: 200px;
  height: 300px;
  display: flex;
  flex-direction: column;
}
.sc-user-select__user__list {
  flex: 1;
  overflow: auto;
}
.sc-user-select__user footer {
  height: 36px;
  padding-top: 5px;
  border-top: 1px solid var(--el-border-color-light);
}

.sc-user-select__toicon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 10px;
}
.sc-user-select__toicon i {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ccc;
  width: 20px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  border-radius: 50%;
  color: #fff;
}

.sc-user-select__selected {
  height: 345px;
  width: 200px;
  border: 1px solid var(--el-border-color-light);
  background: var(--el-color-white);
}
.sc-user-select__selected header {
  height: 43px;
  line-height: 43px;
  border-bottom: 1px solid var(--el-border-color-light);
  padding: 0 15px;
  font-size: 12px;
}
.sc-user-select__selected ul {
  height: 300px;
  overflow: auto;
}
.sc-user-select__selected li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 5px 5px 15px;
  height: 38px;
}
.sc-user-select__selected li .name {
  display: flex;
  align-items: center;
}
.sc-user-select__selected li .name .el-avatar {
  background: #409eff;
  margin-right: 10px;
}
.sc-user-select__selected li .name label {
}
.sc-user-select__selected li .delete {
  display: none;
}
.sc-user-select__selected li:hover {
  background: var(--el-color-primary-light-9);
}
.sc-user-select__selected li:hover .delete {
  display: inline-block;
}

.sc-user-select-role .sc-user-select__left {
  width: 200px;
}
.sc-user-select-role .sc-user-select__tree {
  border: none;
  height: 343px;
}
.sc-user-select-role .sc-user-select__selected {
}

[data-theme='dark'] .sc-user-select__selected li:hover {
  background: rgba(0, 0, 0, 0.2);
}
[data-theme='dark'] .sc-user-select__toicon i {
  background: #383838;
}
</style>
